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Implications of bridging collaterals

Posted Feb 10 2011 12:31pm


  • Coronary collateral circulation continues to be a poorly understood phenomenon.
  • It reduces the impact  of ischemia , salvage myocardium, keep it viable, and  can  even  be  life saving during a STEMI
  • It can support either the same coronary artery  or the contra lateral coronary artery (Like the above patient )
  • The usefulness of  collaterals  at times of exertion is controversial .Most interventionists do not believe in  it . (Facts are opposite of course !)
  • Bridging coronary  arterial collateral often indicate hardened total occlusion and success of  PCI is reduced

Here is  the  angiogram  which shows classical intra coronary bridging  collaterals.




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